AS SHOWN $51,210

PRO


STARTING AT $42,700

AVAILABLE MAX TOW UP TO 36,000 LBS.

MAX PAYLOAD UP TO 7,442 LBS.


KEY FEATURES:     

  • Available 6.6L Duramax® Turbo-Diesel V8 Engine with Allison® 10-Speed Automatic Transmission
  • Standard LED headlamps, taillamps and daytime running lamps
  • Available World’s First Six-Function MultiPro Tailgate
  • Best-In-Class Heavy-Duty Cargo Box Volume

AS SHOWN $55,295

SLE


STARTING AT $48,000

AVAILABLE MAX TOW UP TO 36,000 LBS.

MAX PAYLOAD UP TO 7,442 LBS.


KEY FEATURES:

  • Available 6.6L Duramax Turbo-Diesel V8 Engine with Allison 10-Speed Automatic Transmission
  • MultiPro Tailgate
  • Available X31 Off-Road Package with Twin-Tube Rancho Shocks and Skid Plates
  • 17" Machined Aluminum Wheels
  • Available 18" and 20" Wheels
  • Cloth Front 40/40/40 Split Bench Seat

AS SHOWN $63,490

SLT


STARTING AT $57,600

AVAILABLE MAX TOW UP TO 31,400 LBS.

MAX PAYLOAD UP TO 6,894 LBS.


KEY FEATURES:

  • Available 6.6L Duramax Turbo-Diesel V8 Engine with Allison 10-Speed Automatic Transmission
  • MultiPro Tailgate
  • 18" Machined Aluminum Wheels with Dark Grey Metallic Accents
  • Available Premium GMC Infotainment System with Navigation and 8" Diagonal Color Touch-Screen

AS SHOWN $77,485

AT4


STARTING AT $65,600

AVAILABLE MAX TOW UP TO 21,130 LBS.

MAX PAYLOAD UP TO 4,196 LBS.


KEY FEATURES:

  • Available 6.6L Duramax Turbo-Diesel V8 Engine with Allison 10-Speed Automatic Transmission
  • MultiPro Tailgate
  • X31 Off-Road Package with Twin-Tube Rancho Shocks and Skid Plates
  • Available 20" High-Gloss Black Aluminum Wheels with All-Terrain Tires
  • Exclusive Athletic Interior with Jet Black and Kalahari Accents
  • Available Multicolor 15" Diagonal Head-Up Display with Off-Road Inclinometer

AS SHOWN $85,215

DENALI


STARTING AT $72,100

AVAILABLE MAX TOW UP TO 30,990 LBS.

MAX PAYLOAD UP TO 6,374 LBS.


KEY FEATURES:

  • Available 6.6L Duramax Turbo-Diesel V8 Engine with Allison 10-Speed Automatic Transmission
  • 20" Polished Aluminum Multi-Dimensional Wheels (Single Rear Wheel Models Only)
  • Forge Perforated Leather Seating Surfaces with Heated and Ventilated Front Bucket Seats
  • Authentic, Open-Pore Ash Wood, Brushed Aluminum Trim, Chrome Accents and More

Due to current supply-chain shortages, certain features shown have limited or late availability, or are no longer available. See the window label or a dealer regarding the features on an individual vehicle.

SIERRA HD FEATURED PACKAGES

DENALI BLACK DIAMOND EDITION

KEY FEATURES:

  • Power Sunroof
  • Power-Retractable Assist Steps with LED Perimeter Lighting
  • 6.6L Duramax Turbo-Diesel V8 Engine with Allison 10-Speed Automatic Transmission
  • Auxiliary Trailer Camera
  • MultiPro Audio System by KICKER®
  • Premium All-Weather Floor Liners with Removable Carpet Inserts
  • Trailer Tire Pressure Monitor Sensors
  • Unique 20" High-Gloss Black Painted Aluminum Wheels
  • Ebony Twilight Metallic Exterior Paint
DENALI ULTIMATE PACKAGE

KEY FEATURES:

  • Multicolor 15" Diagonal Head-Up Display
  • Power Sunroof
  • Rear Camera Mirror
  • Available Power-Retractable Assist Steps with LED Perimeter Lighting
AT4 PREMIUM PLUS PACKAGE

KEY FEATURES:

  • Bose®† Premium Sound System with Richbass Subwoofer
  • HD Surround Vision with Two Trailer View Camera Provisions
  • Optional Black Power-Retractable Assist Steps with LED Perimeter Lighting
  • AT4 High Clearance Step
  • Multicolor 15" Diagonal Head-Up Display
  • 20" Machined Aluminum Wheels with High-Gloss Black Accents

FEATURE HIGHLIGHTS

Built strong to tow strong with up to 36,000 LBS. of max towing available.

POWERFUL ENGINES & TRANSMISSIONS

Experience confident driving and trailering:

  • Standard 6.6L V8 Gas Engine
    • 401 hp and 464 lb.-ft. of torque
    • 6-speed automatic transmission
  • Available 6.6L Duramax Turbo-Diesel V8 Engine with Allison 10-Speed Automatic Transmission
    • 445 hp and 910 lb.-ft. of torque
    • Large variable-speed cooling fan and dual path air induction system

HIGH-TECH CAPABILITY

  • Available Auto Electric Parking Brake
  • Park Grade Hold Assist
  • Available Digital Variable Steering Assist
  • Available 2-Speed Autotrac® Transfer Case
  • Available Traction Select with Tow/Haul & Off-Road Mode

OFF-ROAD SUSPENSION WITH RANCHO® SHOCKS AND SKID PLATES

  • Twin-Tube Rancho shocks provide dampening when off-road
  • Skid plates add underbody protection
  • Eaton® locking rear differential helps give traction for rugged terrain

HIGH-STRENGTH CHASSIS AND SUSPENSION

  • Chassis and suspension are built upon a fully boxed, ladder-type frame
  • Built from high-strength steel using front hydroformed rails
  • Clamshell design helps provide stability while towing and off-roading

WORLD’S FIRST SIX-FUNCTION
GMC MULTIPRO TAILGATE

The GMC MultiPro Tailgate offers six distinct functions designed to help improve loading, unloading and accessing the cargo box. Standard on Sierra HD Denali, AT4, SLT and SLE. Available on Sierra HD Pro.

PRIMARY GATE & EASY ACCESS
  • Open the primary gate with the key fob’s power release from inside the truck or from the gate button.
  • With the primary gate open, the load stop can help prevent items from sliding out of the bed.
  • Fold down the inner gate for easy access when loading and unloading the bed.
INNER GATE VERSATILITY
  • After removing the conventional hitch, the inner gate folds into a large step for easy entry and exit from the bed (step holds up to 375 lbs.).
  • The inner gate includes a load stop to help prevent second-tier items from sliding out of the bed. The inner gate can be disabled to prevent it from being opened when a hitch or other equipment is installed.
  • When opened, the inner gate provides a work surface as well as second-tier loading.

EYE-CATCHING INTERIORS

A bold exterior calls for an interior that lives up to the same caliber. Whether you’re looking for rugged or refined, Sierra Heavy Duty has an interior colorway fit to match your style. Scroll through a few of its impressive interior options below.

DARK WALNUT/DARK ASH GREY

Forge Perforated Leather Seating Surfaces

Sierra HD Denali Pickup Truck shown. (Also available in Jet Black.)

JET BLACK WITH KALAHARI ACCENTS

Perforated Front Leather Seating Surfaces

Sierra HD AT4 Pickup Truck shown.

DARK WALNUT/SLATE

Perforated Leather-Appointed Front Seats

Sierra HD SLT Pickup Truck shown. (Also available in Jet Black.)

TECH & SAFETY HIGHLIGHTS

The Sierra Heavy Duty pickup offers technology and safety features to help keep you driving confident and connected.

AVAILABLE IN-VEHICLE TRAILERING APP

To help improve your trailering experience, the In-Vehicle Trailering App offers:

  • Custom Trailer Profiles
  • Trailer Statuses like Available Tire Pressure And Temperature Monitoring
  • Maintenance Reminders
  • Step-by-Step Pre-Departure Checklists
  • Trailer Light Sequence Tests and More

AVAILABLE FIRST-IN-CLASS 15" DIAGONAL HEAD-UP DISPLAY

Projects key info directly onto the windshield:

  • Speed
  • Available Navigation
  • Forward Collision Alert
  • Lane Departure Warning
  • Cruise Control
  • And more

UP TO 15 CAMERA VIEWS AVAILABLE

Optimize the view around the truck and compatible trailers with up to 15 different available camera views including:

  • HD Surround Vision
  • Rear Camera Mirror
  • Bed View Camera
  • Inside Trailer View
  • Transparent Trailer View

AVAILABLE FORWARD COLLISION ALERT AND LANE DEPARTURE WARNING

  • Forward Collision Alert can warn you if it detects a potential front-end collision with a vehicle you’re following so you can quickly take action. 
  • Lane Departure Warning can alert you if you might be unintentionally drifting out of detected lane lines so you can quickly take action.
  • Standard on Sierra HD Denali
  • Available on Sierra HD AT4, SLT and SLE

ONSTAR® & GMC CONNECTED SERVICES

Receive three years of the OnStar and Connected Services Premium Plan with your new 2023 Sierra Heavy Duty (not available with Sierra HD Pro), including the Connected Vehicle Plan and the OnStar Safety & Security Plan.

  • Connected Vehicle Plan includes connectivity for available In-Vehicle apps, Remote Access Plan and In-Vehicle Wi-Fi Hotspot data.
  • OnStar Safety & Security Plan includes access to the OnStar Guardian App, Automatic Crash Response, Emergency Services, Crisis Assist, Roadside Assistance, and Stolen Vehicle Assistance.

CURRENT OFFERS

GMC SIERRA HEAVY DUTY MODELS

GMC SIERRA HEAVY DUTY MODELS

4.69% APR for 72 months for well-qualified buyers.

VIEW INVENTORY REQUEST A QUOTE BUILD & PRICE

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Due to current supply-chain shortages, certain features shown have limited or late availability, or are no longer available. See the window label or a dealer regarding the features on an individual vehicle.

BUSINESS REQUIREMENTS

THINGS TO KEEP IN MIND

For small business and commercial buyers, these may have potential implications for registering your truck.

  • Trucks over 10,000 lbs. GVWR may require a Department of Transportation number
  • Drivers of trucks over 26,000 lbs. GCWR also may require a Commercial Driver’s License

Please contact the U.S. Department of Transportation and your local Department of Transportation to determine whether you may have additional registration or licensing requirements for these trucks.

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